Yoshi Touch & Go is a Nintendo DS game in which the player must guide Yoshi, who is carrying Baby Mario on his back, through a side-scrolling course. The game is almost entirely touch driven, using the DS's stylus to fire eggs at enemies, trap them in bubbles, and build bridges or ramps for Yoshi to walk on.

This game, for the most part, has the player shuttling Yoshi and Baby Mario over the ground to safety at the stork. Yoshi cannot be controlled directly; he must be guided on his way with the clouds made from the stylus touching the screen. Whenever the player sweeps the stylus over the screen, a cloud bridge appears, making for a game experience much like Mario & Wario. A blow into the microphone will sweep all clouds onscreen away, in case the screen has become clogged. These clouds must be utilized to keep Yoshi and Baby Mario from danger; a single hit from an enemy will do them in. Enemies cannot go through a cloud from under, but they can use the surface to walk on.

Fortunately, the player can use a special power to Yoshi’s advantage. When a semi-perfect cloud circle is drawn, it will morph into a circular bubble. This bubble can be thrown with the stylus by swishing the pen, then removing it from the screen. Bubbles can be used to push enemies away or, better yet, if a bubble is drawn over an enemy, the bubble will trap the enemy inside, turning it into a coin. Different enemies have different values; for example, Shy Guys are only worth one Yellow Coin while a Fly Guy is worth a Blue Coin. Multiple enemies can be trapped in bubbles; the more that are trapped, the more bonus points will be earned. But beware: some enemies, like Briers, cannot be trapped, as they have spikes protecting them that will pop any bubbles drawn around. If a bubble is thrown to Yoshi, it will pop and the coins inside will be immediately obtained.

Light Blue Yoshi throws his egg at a Shy Guy.

Another way to destroy enemies and to collect coins is to shoot eggs. Eggs are obtained and act in a way quite differently than in other Yoshi titles: Eggs are collected by eating fruit. Different fruits have different values; the smallest one being apple, the largest being the delicious melon. Fruits are eaten when Yoshi gets near them; he will automatically swallow them and lay the eggs obtained. Fruit can be grabbed in a bubble and thrown to Yoshi for more ammo as well. The number of eggs Yoshi can carry depends on color. The green Yoshi can carry the lowest amount, the black Yoshi the most. An egg is thrown by lightly touching the touch screen with the stylus. An egg will be thrown in the direction where the screen was touched. If an enemy is hit with an egg, the points given will be the same as if the enemy was a coin. For instance, a Shy Guy is worth one Yellow Coin, or one point. It can be grabbed in a bubble to make it become a Coin, or be shot with an egg to quickly obtain its point worth. In this game, eggs, instead of bursting once having hit too many walls, will bounce about until flying off the screen, making item collection in enclosed caves a snap.

Even Yoshi himself acts different. Besides egg-throwing, he can only jump and flutter. Tapping his hindquarters causes him to jump; tapping again while he is in the air will make him flutter, which can be repeated infinitely while he is floating in midair.

Unlike all other Yoshi games, this game has no story. Every game mode begins with Kamek smashing into the Stork and making off with Baby Luigi, while Baby Mario falls toward the land below, beginning the game. It is not clear when the events of the game happened, as Baby Mario was carried to his home at the end of Super Mario World 2: Yoshi's Island. Every mode begins with Baby Mario falling toward the ground, while the player must use clouds to guide him to the ground and bubbles to destroy enemies. The sky level differs depending on the mode selected; for instance, the Time Attack mode has Super Stars hovering in the air for Mario to reach the air faster, there is also a timer and bumpers to obstruct the baby's fall. But each level has these things in common:

Baby Mario has three balloons, which act as his HP. When he hits an enemy, one of them will pop. If all three pop, he will fall to the ground and be captured by Kamek.

Baby Mario can be guided by clouds drawn with the stylus. If an enemy is captured in a bubble, the bubble can be thrown to Baby Mario to pop it.

The color of the Yoshi below (more on this below) depends on how many points Yoshi earns. (In Time Attack mode, the color depends on how fast Baby Mario descends).

Finally, when Baby Mario nears the ground, there are small formations of tree leaves. Touching them with the stylus may reveal a treat!

When Baby Mario reaches the ground, a Yoshi will be awaiting him. The color of the Yoshi depends on how many points Yoshi has collected, or how fast he came down. Coloring of the Yoshi influences how fast it runs, plus how many eggs it can carry. The lowest Yoshi color is green, the highest is black. The color changes from green to light blue at 60, level-ups are given every 20 points up.

The game has four modes; the first two are unlocked from the start, the others must be unlocked by beating the top score for the first two.

In the first mode, "Score Attack", Yoshi and Baby Mario must trek 1000 yards to where the Stork awaits. The more points collected, the better.

The second mode, "Marathon", involves Yoshi and Mario racing nonstop across an unlimited expanse of terrain. Every 1000 yards, Mario is handed over to the next color rank of Yoshi, and every 100 points that are collected earns Mario a Super Star.

The third mode, "Time Attack", differs radically from the other modes. In this mode, the sky level has more enemies, bumpers that bounce Baby Mario about, and Super Stars Baby Mario can grab. On the ground, Baby Mario and Yoshi must catch up to Toadies carrying Baby Luigi away. The clouds are yellow now, allowing Yoshi to run faster on them. To save Baby Luigi, Yoshi must barrage the Toadies until they drop the baby. The faster Yoshi saves him, the more points earned.

"Challenge" mode is the hardest, a cross between Time Attack and Marathon. Yoshi and Baby Mario walk across an unlimited amount of terrain, like Marathon, but if the timer on the screen runs out, Kamek swoops in, stealing the baby and ending the game.

For Battle/Versus mode, the rules are very simple. The clouds are also yellow here. If one Yoshi manages to go far enough, a ending goal with Yoshi's face on it appears. Whichever Yoshi goes through it first makes the other Yoshi knocked out and lose. The only enemies are non-spiked green Briers, but if the player defeats lots of enemies in a row with an egg, a few red spiked Briers appears on the opponent's screen. The first Yoshi to be knocked out loses. There is no end, so it's no competition.

Yoshi Touch & Go was initially planned to be a Nintendo GameCube game; specifically, it would be a puzzle-oriented, horizontal platformer centering on the basic concept of Yoshi protecting Baby Mario. It would also use the GameCube controller and was said to have apparently always focused on drawing as a major gameplay element, although such a statement may have been referring to the game's later Nintendo DS version when spoken by the developers [1]. Sometime during the game's development, it would appear to have split into both a Nintendo DS and GameCube version (the latter of which was favored by Shigeru Miyamoto), the developers undecided as to which one would be released.

A work-in-progress Yoshi Touch & Go was first revealed to the public in the form of an E3 2004 Tech Demo known as Balloon Trip. Though Balloon Trip featured only the sky segments that would later be used in the final version of Yoshi Touch & Go, it did so in a manner almost identical to that of Yoshi Touch & Go's final version. Balloon Trip proved itself successful enough for Nintendo to permit its developers to release it as a full game, and the team working on it soon grew. Balloon Trip's success also helped the developers in deciding to cancel the GameCube version of Yoshi Touch & Go and completely move their project to the Nintendo DS. On October 7th, 2004, Yoshi Touch & Go was announced as a full game, and it was released on January 27th, 2005 in Japan, featuring several differences from Balloon Trip, one of the most noticeable of which being its ground stages (which may have been inspired by the puzzle-platformer elements of the canceled GameCube version).

Super Mario Bros. - There are three sets of high-score icons to use on the high-score table: One based on the Yoshi series, one based the Mario series, and one that uses the same characters of the previous set, but uses original sprites from this game instead. Also, the stomping and shell-hitting sound effects from this game are re-used in Yoshi Touch & Go.

Super Mario World 2: Yoshi's Island - This game's story is basically retold in Yoshi Touch & Go. The enemies from this game also return, as well as music which is remixed and heard in some levels.

Mario Kart: Double Dash!! - The Mario series high-score icons previously mentioned uses the same design as the ones from this game.

This game's title comes from the phrase "touch and go", which is more or less synonymous with "risky". Many other things, such as films, plays, and magazines also hold the "touch and go" phrase as their namesake, making them possible namesakes, too.

This game contains the famous "Totaka song", a little tune included in almost every game where Kazumi Totaka is member of the music staff in addition to voicing the star character. Here, pausing in the windy area explored in Marathon Mode to allow the background music to loop long enough will yield a short section with the Totaka song's notes.

There is an easter egg in the game. When Baby Mario lands on Yoshi's saddle, during the cutscene the player can touch Baby Mario with the stylus to tickle him and make him laugh.